#include<stdio.h>

int addToTop(int top)
{
	int res = 0;
	int i = 1;
	for(;i<=top;i++)
	{
		res+=i;
	}
	return res;
}


int main()
{
	printf("debug begin\n");
	
	int top = 100;
	int sum = addToTop(top);

	printf("sum: %d\n",sum);

	printf("debug end\n");
	return 0;
}
